#include <stdio.h>
#include <math.h>
int main(void)
{
	// 幂
	printf("********** pow 幂 *********\n");
	printf("pow(2,3) = %f\n",pow(2,3));	
	// 去尾法取整
	printf("********** ceil 去尾法取整 *********\n");
	printf("ceil(6.222) = %f\nceil(6.88888)=%f\n",ceil(6.222),ceil(6.88888));	
	// 进一法取整
	printf("********** floor 进一法取整 *********\n");
	printf("floor(6.222) = %f\nfloor(6.88888)=%f\n",floor(6.222),floor(6.88888));	
	return 0;
}
